a#fdbk_tab
{
    background-image: url("http://cetidev.ing.puc.cl/desarrollocetiuc/img/feedback.png");
    color: #FFFFFF;
    cursor: pointer;
    height: 198px;
    right: 0;
    margin-left: -7px;
    overflow: hidden;
    position: fixed;
    text-indent: -100000000000000000px;
    top: 30%;
    width: 42px;
    z-index: 100000000;
    background-color: rgb(42, 42, 42);

    /* Azul CETIUC 4F81BD 0D2BA8*/

    border: 0 none;
    font-size: 1px;
    margin: 0;
    padding: 0;
    vertical-align: baseline;
}

a.fdbk_tab_right
{
    left: auto !important;
    margin-left: auto !important;
    margin-right: 0 !important;
    width: 35px !important;
}